201110323013 has 4 divisors (see below), whose sum is σ = 201111312108. Its totient is φ = 201109333920.

The previous prime is 201110322997. The next prime is 201110323027. The reversal of 201110323013 is 310323011102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 60310518724 + 140799804289 = 245582^2 + 375233^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110323013 - 2⁴ = 201110322997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110322982 and 201110323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110323033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65456 + ... + 637577.

It is an arithmetic number, because the mean of its divisors is an integer number (50277828027).

Almost surely, 2^201110323013 is an apocalyptic number.

It is an amenable number.

201110323013 is a deficient number, since it is larger than the sum of its proper divisors (989095).

201110323013 is an equidigital number, since it uses as much as digits as its factorization.

201110323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989094.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201110323013 its reverse (310323011102), we get a palindrome (511433334115).

The spelling of 201110323013 in words is "two hundred one billion, one hundred ten million, three hundred twenty-three thousand, thirteen".